Printing roll



May 29, 1928.

w. H. WALDRON ET AL PRINTING ROLL 111 1,11111111111011011 'IIIII win Filed Oct. 9, 1926 Patented May 29, 1928,

UNITED STATES PATENT OFFICE.

WILLIAM H. WALDRON AND LYNN B. CASE, OF NEW BRUNSWICK, NEW JERSEY, AS-

SIGNORS TO JOHN WALDRON CORPORATION, OF NEW BRUNSWICK, NEW JERSEY, A

CORPORATION OF NEW JERSEY.

PRINTING ROLL.

Application filed October 8,

to print, in a single revolution, an area approximately twelve feet long and nine feet 1 wide, such dimensions being stated for purposes of explanation and comparison only, and which are not to be construed as limiting the scope of our invention in any manner.

The. construction of the invention will be fully disclosed in detail hereinafter, reference being had to the accompanying drawing, of which:

Fig. 1 is a longitudinal sectional elevation of a printing roll constructed in accordance with the principles of our invention;

Fig. 2 is a transverse sectional elevation taken on the line 22, Fig. 1; and Fig. 3 is an enlarged detall View.

Our improved printing roll comprises, in

its preferred form, a pair of spaced end members 1, 1 1n the form ofwheels each having a hub 2, a run 3 and spokes 4, 4.

The spokes 4: may be replaced by a solid webor head if desired. The hubs 2, 2 are bored for the reception of a supporting shaft 5.

The end members 1, 1 are suitably connccted by a hollow cylindrical. body member or shell 6 which is adapted to snugly fit over the rims 3, 3 of the head members 1, 1 and to be secured thereto by any suitable means, which in the present instance comprises bolts 7, 7. 1

A suitable covering of wood or other equivalent material is applied to the exterior of the cylindrical body member 6, and in the present instance this covering comprises wooden staves 8, 8 which are fitted together to form a complete covering for 1926. semi no. 140,497.

the metalliccylinder or shell 6. Each stave 8 is secured in position by means of screws 9,9 spaced apart as shown in Fig. 1. Each stave is counter-bored at 10, 10 toipermit the head 11 of the respective screws to be positioned a distance below the outer surface of the slave. The screws 9, 9 are adapted to threaded apertures 12, 12 in the shell 6 and a'washer is placed under each head 11 for obvious reasons. The counterbm'e 10 in each instance is plugged above the screw head 11, as indicated at 13 in Fig.

After the printing roll has been assembled in the manner above described, it is placed in a suitable turi'iing machine and the entire face of the roll is turned and sanded or otherwise finished. After finishing, the printing pattern is laid out on the face of the roll and may be engraved thereon, or the surface surrounding the pattern may be routed out in a manner which will cause the design to stand out for surface printing.

If desired additional supporting wheels for the shell 6 may be placed on the shaft 5 intermediate the two end members 1, 1.

We claim: 1 1

l. A printing roll comprising a rigid hollow cylindrical metal shell; a series of wooden staves fitted together to form a complete outer covering for said. shell; headed screws passing through each stave and adapted to threaded apertures in said shell; a counterhore in the stave for the accommodation of the head of each screw; and a plug in each counter-bore between the head of the screw and: the outer surface of the stave.

2. A printing roll comprising a core, an outer covering on said core, elements passing through said outer covering and adapted to be secured in said core for securing said covering to said core, heads formed on said securing elements adapted to openings formed in said covering and disposed below the outer surface of said covering and plugs secured in said openings between the heads of said securing elements and the outer surface of said covering.

WILLIAM H; WALDRON. LYNN B. CASE. 

